Sonar system for use by fishermen and the like

Details Sonar system for use by fishermen and the like Sonar system for use by fishermen and the like

1974-05-17

1976-04-20

Farley, Richard A.

Communications: electrical

Selective

Monitoring in addition to control

340 3A, G01S 970

Patent

active

039522792

ABSTRACT:
A sonar system utilizing a common LC tuned circuit for both the transmitter portion and the receiver portion of the electronic system so that both receiver and transmitter are tuned to the same frequency. The transducer is isolated from the LC tuned circuit so that the impedance characteristics of the transducer will not operate to change the main frequency of the tuned circuit. Thus interchangeable transducers may be utilized with the receiver-transmitter circuitry. The transmitter power pulses are generated by a novel Class C pulse circuit providing short time width, high intensity power pulses to the transducer.

REFERENCES:
patent: 3764962 (1973-10-01), Bartel, Jr.

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